What relation between vitality and HP max of character in FF7?

I search the formula between vitality carac and HP MAX? in Final Fantasy 7

It's increased by level, but how first HP max are determined? And after how is determinated HP MAX by vitality?

Solution 1:

It's not

From GameFAQs

HP Baseline = Base + (Level - 1) * Gradient

MP Baseline = Base + [(Level - 1) * Gradient / 10]

And from the same guide, here are the variables:

=============================================================================
        L 2-11   L12-21   L22-31   L32-41   L42-51   L52-61   L62-81   L82-99
 Char   Grd Bs   Grd Bs   Grd Bs   Grd Bs   Grd Bs   Grd Bs   Grd Bs   Grd Bs
=============================================================================
Cloud   20  15   10  16   10  16    8  17    8  17    8  17    7  18    6  19
Barret  15  14    8  15    8  15    7  15    6  16    5  17    4  18    3  20
Tifa    20  14   10  15   10  15    9  16    9  17   10  17   10  17    6  20
Aeris   18  14    8  15    8  15    8  16    8  16    5  18    7  17    7  17
Red     18  14    8  15    8  15    8  16    8  16    5  18    7  17    7  17
Yuffie  20  16   10  17   10  17   10  17    8  18   10  18   10  18    9  19
Cait    20  14   10  15   10  15    9  16    9  17   10  17   10  17    6  20
Vince   20  14   10  15   10  15    9  16    9  17   10  17   10  17    6  20
Cid     15  14    8  15    8  15    7  15    6  16    5  17    4  18    3  20
=============================================================================